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/**
     * @param $phone
     * @return bool|null|string|string[]
     */
    public static function getPhoneHref($phone)
    {
        if (!$phone) {
            return false;
        }

        if (strpos($phone, ',') !== false) {
            $arStr = explode(',', $phone);

            if ($arStr[0]) {
                $phone = $arStr[0];
            }
        }

        $patterns = array(
            '#^8#',
            '#\s|\(|\)|\-#'
        );
        $replace = array ('+7', '');
        $phone = preg_replace($patterns, $replace, $phone);

        return $phone;
    }